Its Ultra-high efficiency and outstanding performance are the fine results of Seasonic?s continuous commitment to innovation and advancement. Improved low-load efficiency, highly suppressed ripple noise and a generous 12-year manufacturer?s warranty are just some of the characteristics that set these series apart from other power supplies on the market.MICRO TOLERANCE LOAD REGULATION (0.5 %); Seasonic’s latest design keeps the output voltage within a very tight rangeFULL MODULAR – use only the cables you need to reduce clutter and improve airflow for a better ventilated system.80 PLUS GOLD – 87% efficient at 20% load, 90% efficient at 50% load, 87% efficient at 100% loadPREMIUM HYBRID FAN CONTROL; a state-of-the-art fan control that enables users to keep the overall fan noise at the lowest possible level.12 YEAR WARRANTY – Our commitment to superior quality.